This video clip from the 27th July 2010 shows a needle gun being used to remove defective coatings from around the rivet joints under the East Walkway.
The needle gun uses an electrical current to rotate needles at varying speeds against the metallic surface to slowly chip away the numerous layers of paint and rust.
Video by Harris Digital Productions
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Work is now well underway on removing the defective coatings from under the East Walkway of Tower Bridge. The defective coatings (rust and paint) are being removed using needle guns. The tool itself uses an electrical current to rotate needles at varying speeds against the metallic surface to slowly chip away at the numerous layers of paint and rust. Watch needle gun video
Contractors using a needle...

Harris Digital Productions specialise in the recording of historic projects, by providing high definition video, high resolution photography, and if required a dedicated website. Recent projects include the rebuilding of the St Lawrence Jewry Memorial Fountain and the restoration of Tower Bridge and Southwark Bridge. Other projects include the return of Temple Bar to the City of London and the restoration of the Monument to the Great Fire of London. Harris Digital provides a fast, reliable and competitive service.